Dell Alienware m15 R3 Service Manual - Page 15

Battery, Lithium-ion battery precautions, Removing the battery - release date

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Steps 1. Connect the battery cable to the system board. 2. Adhere the tape that secures the battery cable to the battery. 3. Slide the notches on the top of the base cover under the rear I/O-cover and snap the base cover into place on the palm-rest assembly. 4. Tighten the six captive screws on the base cover. 5. Replace the two screws (M2x5) that secure the base cover to the palm-rest assembly. Next steps 1. Follow the procedure in After working inside your computer. Battery Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries. • Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power-the battery is fully discharged when the computer no longer turns on when the power button is pressed. • Do not crush, drop, mutilate, or penetrate the battery with foreign objects. • Do not expose the battery to high temperatures, or disassemble battery packs and cells. • Do not apply pressure to the surface of the battery. • Do not bend the battery. • Do not use tools of any kind to pry on or against the battery. • Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components. • If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. • Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers. Removing the battery Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task CAUTION: This computer is designed without an RTC coin cell-battery. After a service incident where the system battery is disconnected, when the battery is fully discharged, or when the system is reassembled and turned on, an RTC reset cycle will occur. When an RTC Reset cycle occurs, the system turns on and off three times. An "Invalid Configuration" error message is displayed prompting you to enter the BIOS and configure the date and time. The computer starts functioning normally after setting the date and time. CAUTION: Removing the battery resets the BIOS setup program's settings to default. It is recommended that you note the BIOS setup program's settings before removing the battery. The following image(s) indicate the location of the battery and provides a visual representation of the removal procedure. 15

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Steps
1.
Connect the battery cable to the system board.
2.
Adhere the tape that secures the battery cable to the battery.
3.
Slide the notches on the top of the base cover under the rear I/O-cover and snap the base cover into place on the palm-rest
assembly.
4.
Tighten the six captive screws on the base cover.
5.
Replace the two screws (M2x5) that secure the base cover to the palm-rest assembly.
Next steps
1.
Follow the procedure in
After working inside your computer
.
Battery
Lithium-ion battery precautions
CAUTION:
•
Exercise caution when handling Lithium-ion batteries.
•
Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate
the computer solely on battery power—the battery is fully discharged when the computer no longer turns on when the
power button is pressed.
•
Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
•
Do not expose the battery to high temperatures, or disassemble battery packs and cells.
•
Do not apply pressure to the surface of the battery.
•
Do not bend the battery.
•
Do not use tools of any kind to pry on or against the battery.
•
Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or
damage to the battery and other system components.
•
If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or
crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See
www.dell.com/contactdell
.
•
Always purchase genuine batteries from
www.dell.com
or authorized Dell partners and resellers.
Removing the battery
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
base cover
.
About this task
CAUTION: This computer is designed without an RTC coin cell-battery. After a service incident where the system battery is
disconnected, when the battery is fully discharged, or when the system is reassembled and turned on, an RTC reset cycle
will occur. When an RTC Reset cycle occurs, the system turns on and off three times. An "Invalid Configuration" error
message is displayed prompting you to enter the BIOS and configure the date and time. The computer starts functioning
normally after setting the date and time.
CAUTION: Removing the battery resets the BIOS setup program’s settings to default. It is recommended that you note the
BIOS setup program’s settings before removing the battery.
The following image(s) indicate the location of the battery and provides a visual representation of the removal procedure.
15